zerofrost

I’m currently a student pursuing a bachelor’s degree in Information Technology. My main focus is on web application security, reverse engineering and binary exploitation. This is my personal blog where I post writeups for challenges from time to time.

BitSiegeCTF Writeups

This past weekend, I had some time to spare and decided to attempt some of the challenges from the BitSiege CTF. The CTF had some interesting challenges which I enjoyed solving and even managed to get first blood and only solve for one of the challenges. This blog post is a walkthrough of some of the challenges.

Abusing Legitimate Features in Casaos

CasaOs is one of the go-to tools for home server setups among tech and cloud enthusiasts. It is a straight forward interface that simplifies the complexities of server management, allowing users to set up and manage their own servers via a user-friendly interface without the steep learning curve usually associated with traditional server setups. In this blog post, we will explore some of the features in CasaOs and how an attacker could abuse them to compromise the underlying host.

Africa Bug Pwn 2024 Writeups

Recently I took part in the Africa Bug Pwn 2024 Capture the Flag Competition and managed to get second position with 2310 points. The CTF was very interesting and I got to learn a thing or two. This blog post will be a writeup of some of the challenges I managed to solve.

UrchinSec Tanzania National CTF MMXXIV

This blogpost is a walkthrough of the UrchinSec Tanzania National CTF challenges. The UrchinSec Tanzania National CTF was an interesting ctf organized by the urchinsec team . From the ctf, I managed to solve several challenges one of which was a 500 point reverse engineering challenge.

ImaginaryCTF Argv Pwn Writeup

This blog post is a walkthrough of an interesting pwn challenge I came across in the imaginary ctf discord challenge.

ShmooCon CTF

Over the recent weekend, I found some free time that enabled me to participate in the ShmooCon CTF. While it did not have pwn challenges as I had hoped, they offered a variety of challenges I enjoyed solving. This blogpost is a walkthrough of some of the challenges I managed to solve.

DG'hAck 2022 - Unserial Killer

This is a challenge from DG’hAck 2022 CTF which involves chasing down a pop gadget and building a pop chain to achieve arbitrary file read.

CrewCtf Writeups

It has been a while since I last participated in a CTF (Capture The Flag) competition. With a few moments to spare this weekend, I decided to immerse myself in CrewCTF by theHackersCrew CTF team. Their event offered a diverse range of challenges, but I chose to focus primarily on the fascinating field of forensics. In this blog, I will share my approach and solutions for the different challenges I managed to solve.

CyberConKE Finals CTF

This past weekend (12th Nov 2022), I got the opportunity to participate in the #CyberConKE Finals CTF at United States International University (USIU) which was an amazing experience. I played as Team ShellPhish with my teammates mug3njutsu and levanto, and we managed to attain first position. The challenges were amazing and I got to learn a thing or two. The challenges were hosted on cyberranges and are not available at the time of writing this writeup since the competition has already ended. Therefore, In this writeup,I will be covering some of the osint challenges that I can still remember and how I solved them. Below is the final scoreboard from the competition

SheHacks-IntervarsityCTF

This past weekend I got the opportunity to participate in the #ShehacksKEintervasityCTF which was amazing. I played as Team BitClan with my teammates and we managed to scoop second position. The challenges were amazing and I got to learn a thing or two.In this writeup,I will be explaining how I solved the challenges. Note that this is the approach I took to solve the challenges and not necessarily how they are supposed to be solved.